diff --git a/src/flight.re.c b/src/flight.re.c
index 2e10ef5..81c1dd5 100644
--- a/src/flight.re.c
+++ b/src/flight.re.c
@@ -111,27 +111,21 @@ static int scan(struct flights *const f,
 		<glider_pilot> ws* ";" => glider_dual /* not PIC */
 			{ flight->glider.pilot_min = 0; continue; }
 		<glider_pilot> ws* @s0 natural? @s1 ":" @t0 minutes @t1 ws* ";"
-			=> glider_dual {
-			if(!pair_to_minutes(s0, s1, t0, t1, &flight->glider.pilot_min))
-				{ why = "pilot time"; goto catch; }
-			continue;
-		}
+			=> glider_dual { if(!pair_colon_to_minutes(s0, s1, t0, t1,
+			&flight->glider.pilot_min)) { why = "pilot time"; goto catch; }
+			continue; }
 		<glider_dual> ws* ";" => glider_instr
 			{ flight->glider.dual_min = 0; continue; }
 		<glider_dual> ws* @s0 natural? @s1 ":" @t0 minutes @t1 ws* ";"
-			=> glider_instr {
-			if(!pair_to_minutes(s0, s1, t0, t1, &flight->glider.dual_min))
-				{ why = "dual time"; goto catch; }
-			continue;
-		}
+			=> glider_instr { if(!pair_colon_to_minutes(s0, s1, t0, t1,
+			&flight->glider.dual_min)) { why = "dual time"; goto catch; }
+			continue; }
 		<glider_instr> ws* ";" => glider_remarks
 			{ flight->glider.instr_min = 0; continue; }
 		<glider_instr> ws* @s0 natural? @s1 ":" @t0 minutes @t1 ws* ";"
-			=> glider_remarks {
-			if(!pair_to_minutes(s0, s1, t0, t1, &flight->glider.instr_min))
-				{ why = "instr time"; goto catch; }
-			continue;
-		}
+			=> glider_remarks { if(!pair_hours_to_minutes(s0, s1, t0, t1,
+			&flight->glider.instr_min)) { why = "instr time"; goto catch; }
+			continue; }
 		<glider_remarks> ws* @s0 glyph+ (ws+ glyph+)* @s1 "\n" => line
 			{ flight->glider.remarks.a = s0, flight->glider.remarks.b = s1;
 			flight = 0; line++; continue; }
@@ -175,16 +169,26 @@ static int scan(struct flights *const f,
 			flight->power.landing.a = t0, flight->power.landing.b = t1;
 			continue;
 		}
-		<flight_pic> ws* @s0 semitext+ (ws+ semitext+)* @s1 ws* ";"
+		<flight_pic> ws* @s0 semitext+ (ws+ semitext+)* @s1 /* ws*? */";"
 			=> flight_sic { flight->power.pilot.a = s0,
 			flight->power.pilot.b = s1; continue; }
 		<flight_sic> ws* ";" => flight_dual
 			{ flight->power.copilot.a = flight->power.copilot.b = 0; continue; }
-		<flight_sic> ws* @s0 semitext+ (ws+ semitext+)* @s1 ws* ";"
+		<flight_sic> ws* @s0 semitext+ (ws+ semitext+)* @s1 ";"
 			=> flight_dual { flight->power.copilot.a = s0,
 			flight->power.copilot.b = s1; continue; }
-
-
+		<flight_dual> ws* ";" => flight_pilot
+			{ flight->power.dual_min = 0; continue; }
+		<flight_dual> ws* @s0 natural? @s1 "." @t0 [0-9] @t1 "h" ws* ";"
+			=> flight_pilot { if(!pair_hours_to_minutes(s0, s1, t0, t1,
+			&flight->power.dual_min)) { why = "dual time"; goto catch; }
+			continue; }
+		<flight_pilot> ws* ";" => flight_ifrsim
+			{ flight->power.pilot_min = 0; continue; }
+		<flight_pilot> ws* @s0 natural? @s1 "." @t0 [0-9] @t1 "h" ws* ";"
+			=> flight_ifrsim { if(!pair_hours_to_minutes(s0, s1, t0, t1,
+			&flight->power.pilot_min)) { why = "pilot time"; goto catch; }
+			continue; }
 	*/ }
 	assert(0); /* Never gets here. */
 catch:
diff --git a/src/pair.c b/src/pair.c
index a3b001f..11c48a4 100644
--- a/src/pair.c
+++ b/src/pair.c
@@ -31,7 +31,7 @@ int pair_to_natural(const char *s, const char *const e, uint32_t *const n) {
 }
 
 /** `h0` "1" `h1` ":" `m0` "30" `m1` -> 90 `n` @return Valid. */
-int pair_to_minutes(const char *h0, const char *const h1,
+int pair_colon_to_minutes(const char *h0, const char *const h1,
 	const char *m0, const char *const m1, uint32_t *const n) {
 	uint32_t hours, minutes;
 	return pair_to_natural(h0, h1, &hours) && pair_to_natural(m0, m1, &minutes)
@@ -42,6 +42,11 @@ int pair_to_minutes(const char *h0, const char *const h1,
 /** `h0` "1" `h1` "." `m0` "5" `m1` -> 90 `n` @return Valid. */
 int pair_hours_to_minutes(const char *h0, const char *const h1,
 	const char *m0, const char *const m1, uint32_t *const n) {
+	uint32_t hours, minutes;
+	/* fixme: more precision? */
+	return pair_to_natural(h0, h1, &hours) && pair_to_natural(m0, m1, &minutes)
+		&& minutes <= 9 && hours <= UINT32_MAX / 60 - minutes * 6
+		? (*n = hours * 60 + minutes * 6, 1) : 0;
 }
 
 int pair_is_equal(struct pair x, struct pair y) {
diff --git a/src/pair.h b/src/pair.h
index 49ba596..5c72dc3 100644
--- a/src/pair.h
+++ b/src/pair.h
@@ -6,8 +6,10 @@
 struct pair { const char *a, *b; };
 struct pair pair(const char *const a, const char *const b);
 int pair_to_natural(const char *, const char *, uint32_t *);
-int pair_to_minutes(const char *, const char *, const char *, const char *,
-	uint32_t *);
+int pair_colon_to_minutes(const char *, const char *,
+	const char *, const char *, uint32_t *);
+int pair_hours_to_minutes(const char *h0, const char *const h1,
+	const char *m0, const char *const m1, uint32_t *const n);
 int pair_is_equal(struct pair, struct pair);
 int pair_is_string(struct pair, const char *);
 uint32_t pair_djb2(const struct pair p);